code: def store(tmp_path):
      return FileStore(str(tmp_path.joinpath("mlruns")))
  
file_path: mlflow/tests/utils/test_promptlab_utils.py
imports: import json
  import os
  import pytest
  from mlflow.entities.param import Param
  from mlflow.entities.run_status import RunStatus
  from mlflow.store.artifact.artifact_repository_registry import get_artifact_repository
  from mlflow.store.tracking.file_store import FileStore
  from mlflow.utils.promptlab_utils import _create_promptlab_run_impl, create_eval_results_json
label_desc: Use image node_id 2 for calling a global function with example usage: store(tmp_path) and returns: FileStore